Aircraft Master Switch Wiring Diagram. Until the early 90 s wire was insulated with pvc but it has since been phased out and replaced with tefzel. System such as the alternator starter and master solenoid mag switch and the primary and avionics power sources buses.
Until the early 90 s wire was insulated with pvc but it has since been phased out and replaced with tefzel. 1 tolerable voltage drop and 2. Switches the electrical system on off through a heavy duty relay.
Switches the electrical system on off through a heavy duty relay.
This contactor is switched with a wire that comes from the master switch in the cockpit. System such as the alternator starter and master solenoid mag switch and the primary and avionics power sources buses. Usually a split red switch with one side for the alternator and the other for the battery. The left side of the master switch provides 5 amp power to energize the alternator.
